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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39ef417ff0467a6089b704eda51f3417c05f68f1fde6805090c5d234a9533adf. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



AgentTesla


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 39ef417ff0467a6089b704eda51f3417c05f68f1fde6805090c5d234a9533adf
SHA3-384 hash: d0b22b823e57ec270545852b5a258cc123e4870aeec73741bc4335d92b40e02692e5167153b44ed1815dd58635c7bf15
SHA1 hash: e20f701c2eb43a3d3199a71822da79a8bbbb34f9
MD5 hash: cc5279126873c48d41e7c26e7281799a
humanhash: fillet-foxtrot-sodium-paris
File name:Payment Confirmation_Swift – MT103.JS
Download: download sample
Signature AgentTesla
File size:3'389'298 bytes
First seen:2026-10-01 14:50:47 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 98304:N+e1gOYrCgSgWS6sJegS7+Nspv34YEJr861JMqetTI7MJ2eWiiQrO25gCRfe99HO:YUgOYrCgSgygS78qvIFGMXUM7MJnW0r1
TLSH T128F5A2411F6B9632B728675D8636E930A50AD00314FADF3830BDD22B365CD47679FAE2
Magika c
Reporter abuse_ch
Tags:AgentTesla js

Intelligence


File Origin
# of uploads :
1
# of downloads :
143
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
92.5%
Tags:
virus lien blic
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug dropper evasive masquerade obfuscated obfuscated packed repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-10-01T03:53:00Z UTC
Last seen:
2026-10-03T13:14:00Z UTC
Hits:
~1000
Result
Threat name:
AgentTesla, DonutLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Detected Windows Script Host debugger hammering
Found malware configuration
Hides threads from debuggers
JavaScript source code contains call to eval() to check own source code (likely for evading instrumentation)
JavaScript source code contains functionality to generate code involving a shell, file or stream
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: WScript or CScript Dropper
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected AgentTesla
Yara detected DonutLoader
Yara detected Lua decrypt and execute
Behaviour
Behavior Graph:
Gathering data
Threat name:
Script-JS.Trojan.Generic
Status:
Suspicious
First seen:
2026-10-01 11:42:15 UTC
File Type:
Binary
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection defense_evasion discovery execution keylogger spyware stealer trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Checks computer location settings
Executes dropped EXE
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Family: AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:MULTI_Malware_AgentTesla_ForgeAuto_ed343f78_Extrait
Author:Marjoriefort
Description:Detects AgentTesla (inconnu, etat extrait)
Rule name:SUSP_VBS_Randomized_ActiveX_Downloader
Author:Marjoriefort
Description:Dropper VBS obfusque : ActiveXObject a identifiant randomise (20 MAJ), SaveToFile, .Run
Reference:Veille fraicheur 2026-09-14 / grappe VBS randomisee

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments